EP3905380A4 - SEPARATOR FOR A RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY COMPRISING THE SAME - Google Patents

SEPARATOR FOR A RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY COMPRISING THE SAME Download PDF

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Publication number
EP3905380A4
EP3905380A4 EP19902841.6A EP19902841A EP3905380A4 EP 3905380 A4 EP3905380 A4 EP 3905380A4 EP 19902841 A EP19902841 A EP 19902841A EP 3905380 A4 EP3905380 A4 EP 3905380A4
Authority
EP
European Patent Office
Prior art keywords
lithium battery
rechargeable lithium
separator
same
rechargeable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19902841.6A
Other languages
German (de)
French (fr)
Other versions
EP3905380A1 (en
EP3905380B1 (en
Inventor
Jungyoon LEE
Gain Kim
YangSeob KIM
Yongkyoung Kim
Dongwan Seo
Yeonjoo Choi
Hyeonsun Choi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung SDI Co Ltd
Original Assignee
Samsung SDI Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung SDI Co Ltd filed Critical Samsung SDI Co Ltd
Publication of EP3905380A1 publication Critical patent/EP3905380A1/en
Publication of EP3905380A4 publication Critical patent/EP3905380A4/en
Application granted granted Critical
Publication of EP3905380B1 publication Critical patent/EP3905380B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/449Separators, membranes or diaphragms characterised by the material having a layered structure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/621Binders
    • H01M4/622Binders being polymers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/411Organic material
    • H01M50/414Synthetic resins, e.g. thermoplastics or thermosetting resins
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/411Organic material
    • H01M50/414Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/42Acrylic resins
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/431Inorganic material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/431Inorganic material
    • H01M50/434Ceramics
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/443Particulate material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409Separators, membranes or diaphragms characterised by the material
    • H01M50/446Composite material consisting of a mixture of organic and inorganic materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/46Separators, membranes or diaphragms characterised by their combination with electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/463Separators, membranes or diaphragms characterised by their shape
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/491Porosity
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Cell Separators (AREA)
EP19902841.6A 2018-12-26 2019-08-09 Separator for lithium secondary battery, and lithium secondary battery comprising same Active EP3905380B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180169595A KR102306447B1 (en) 2018-12-26 2018-12-26 Separator for rechargeable lithium battery and rechargeable lithium battery including the same
PCT/KR2019/010129 WO2020138627A1 (en) 2018-12-26 2019-08-09 Separator for lithium secondary battery, and lithium secondary battery comprising same

Publications (3)

Publication Number Publication Date
EP3905380A1 EP3905380A1 (en) 2021-11-03
EP3905380A4 true EP3905380A4 (en) 2022-09-14
EP3905380B1 EP3905380B1 (en) 2025-03-12

Family

ID=71125814

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19902841.6A Active EP3905380B1 (en) 2018-12-26 2019-08-09 Separator for lithium secondary battery, and lithium secondary battery comprising same

Country Status (5)

Country Link
US (1) US12136743B2 (en)
EP (1) EP3905380B1 (en)
KR (1) KR102306447B1 (en)
CN (1) CN113273027A (en)
WO (1) WO2020138627A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200032542A (en) 2018-09-18 2020-03-26 삼성에스디아이 주식회사 Separator for rechargeable lithium battery and rechargeable lithium battery including the same
KR102307978B1 (en) 2018-12-20 2021-09-30 삼성에스디아이 주식회사 Separator for rechargeable lithium battery and rechargeable lithium battery including the same
KR102312278B1 (en) * 2018-12-21 2021-10-12 삼성에스디아이 주식회사 Separator for rechargeable lithium battery and rechargeable lithium battery including the same
KR102306447B1 (en) 2018-12-26 2021-09-28 삼성에스디아이 주식회사 Separator for rechargeable lithium battery and rechargeable lithium battery including the same
KR102312280B1 (en) 2018-12-26 2021-10-12 삼성에스디아이 주식회사 Separator for rechargeable lithium battery and rechargeable lithium battery including the same
KR102306446B1 (en) 2018-12-28 2021-09-28 삼성에스디아이 주식회사 Separator for rechargeable lithium battery and rechargeable lithium battery including the same
KR102342671B1 (en) 2019-01-04 2021-12-22 삼성에스디아이 주식회사 Separator for rechargeable lithium battery and rechargeable lithium battery including the same
KR102342669B1 (en) 2019-01-16 2021-12-22 삼성에스디아이 주식회사 Separator for rechargeable lithium battery and rechargeable lithium battery including the same
US12512557B2 (en) 2020-10-21 2025-12-30 Lg Energy Solution, Ltd. Separator for lithium secondary battery and lithium secondary battery including the same
KR102876410B1 (en) * 2021-04-02 2025-10-24 에스케이이노베이션 주식회사 Composite porous separator, manufacturing method thereof and electrochemical device using the same
CN114843702B (en) * 2022-05-09 2023-03-28 上海恩捷新材料科技有限公司 Metal compound diaphragm and preparation method and application thereof
KR20230157793A (en) * 2022-05-10 2023-11-17 삼성에스디아이 주식회사 Separator for rechargeable lithium battery and rechargeable lithium battery
CN118291059A (en) * 2023-01-04 2024-07-05 宁德时代新能源科技股份有限公司 Adhesive and preparation method thereof, isolating film, pole piece, electrode assembly, battery monomer, battery and electricity utilization device
KR102794610B1 (en) * 2023-12-12 2025-04-14 에스케이이노베이션 주식회사 Separator for secondary batteries and electrochemical devices comprising the same
KR102795837B1 (en) * 2023-12-19 2025-04-16 에스케이이노베이션 주식회사 Separator and lithium secondary battery comprising the same
KR102768045B1 (en) * 2023-12-22 2025-02-13 에스케이이노베이션 주식회사 Separator and lithium secondary battery comprising the same
KR102818181B1 (en) * 2023-12-22 2025-06-11 에스케이이노베이션 주식회사 Separator for secondary batteries and electrochemical devices comprising the same
KR20250158853A (en) * 2024-04-30 2025-11-07 삼성에스디아이 주식회사 Separator for rechargeable lithium battery and rechargeable lithium battery including the same
KR20250158851A (en) * 2024-04-30 2025-11-07 삼성에스디아이 주식회사 Separator for rechargeable lithium battery and rechargeable lithium battery including the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2549564A2 (en) * 2010-03-17 2013-01-23 LG Chem, Ltd. Separator and electrochemical device having same
US20160149190A1 (en) * 2014-11-21 2016-05-26 Samsung Sdi Co., Ltd. Separator for rechargeable battery and rechargeable battery including the same
KR20170084597A (en) * 2016-01-12 2017-07-20 삼성에스디아이 주식회사 Separators comprising porous functional layer, electrochemical battery using the separator, and method for preparing the separator
EP3246969A1 (en) * 2016-05-17 2017-11-22 Samsung SDI Co., Ltd. Separator for rechargeable battery and rechargeable lithium battery including the same
EP3902027A1 (en) * 2018-12-21 2021-10-27 Samsung SDI Co., Ltd. Separator for lithium secondary battery, and lithium secondary battery comprising same

Family Cites Families (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2533386B2 (en) 1989-08-23 1996-09-11 日東電工株式会社 Heat resistant printing substrate and label
KR100659854B1 (en) 2005-04-28 2006-12-19 삼성에스디아이 주식회사 Lithium secondary battery
US8404388B2 (en) 2005-08-09 2013-03-26 Polyplus Battery Company Compliant seal structures for protected active metal anodes
WO2009060787A1 (en) 2007-11-08 2009-05-14 Nitto Denko Corporation Dicing die-bonding film
JP4717051B2 (en) 2007-11-08 2011-07-06 日東電工株式会社 Dicing die bond film
JP2010148730A (en) 2008-12-25 2010-07-08 Kao Corp Surface sheet of absorbent article
US20110318630A1 (en) 2008-12-26 2011-12-29 Zeon Corporation Separator for lithium ion secondary battery and lithium ion secondary battery
JP5323590B2 (en) 2009-06-19 2013-10-23 旭化成イーマテリアルズ株式会社 Multilayer porous membrane, resin binder and coating solution
JP5525193B2 (en) 2009-06-23 2014-06-18 旭化成イーマテリアルズ株式会社 Multilayer porous membrane and coating solution
KR101173202B1 (en) 2010-02-25 2012-08-13 주식회사 엘지화학 Preparation method of separator, separator formed therefrom, and preparation method of electrochemical device containing the same
KR101254693B1 (en) 2011-02-15 2013-04-15 주식회사 엘지화학 A separator, the manufacturing method thereof, and electrochemical device containing the same
KR101603628B1 (en) 2011-02-24 2016-03-15 주식회사 엘지화학 Separator and preparation method of separator thereof
JP5804048B2 (en) 2011-02-25 2015-11-04 日本ゼオン株式会社 Porous membrane for secondary battery, slurry for secondary battery porous membrane, and secondary battery
US20140147726A1 (en) 2011-07-06 2014-05-29 Zeon Corporation Porous membrane for secondary battery, separator for secondary battery, and secondary battery
WO2013028046A2 (en) 2011-08-25 2013-02-28 주식회사 엘지화학 Separator having a microcapsule and electrochemical device including same
KR20140081795A (en) 2011-10-14 2014-07-01 도레이 카부시키가이샤 Porous polypropylene film and electricity-storage device
KR101991924B1 (en) 2011-11-29 2019-06-21 제온 코포레이션 Electrode for lithium ion secondary battery, lithium ion secondary battery, slurry composition, and method for producing electrode for lithium ion secondary battery
DE102012000910A1 (en) 2012-01-19 2013-07-25 Sihl Gmbh Separator comprising a porous layer and process for its preparation
KR101711982B1 (en) 2012-03-22 2017-03-03 삼성에스디아이 주식회사 Separator and lithium secondary battery
US10096810B2 (en) 2012-05-10 2018-10-09 Samsung Sdi Co., Ltd. Separator and method of manufacturing the same and rechargeable lithium battery including the same
US9178198B2 (en) 2012-06-01 2015-11-03 Samsung Sdi Co., Ltd. Separator for rechargeable lithium battery and rechargeable lithium battery including the same
BR112015005866A2 (en) 2012-09-19 2017-07-04 Dow Global Technologies Llc method for functionalizing an amide-functional polymeric product and method for preparing an amide-functional polymeric product
EP2869363B1 (en) 2012-10-05 2017-04-26 LG Chem, Ltd. Separator, and electrochemical device comprising same
JP2014149935A (en) 2013-01-31 2014-08-21 Nippon Zeon Co Ltd Secondary battery separator, method for manufacturing secondary battery separator, and secondary battery
WO2014136799A1 (en) 2013-03-07 2014-09-12 日本ゼオン株式会社 Slurry for porous membranes of secondary battery separators, porous membrane for secondary battery separators, method for producing porous membrane for secondary battery separators, separator for secondary batteries, and secondary battery
CN104051689B (en) 2013-03-13 2020-06-02 三星Sdi株式会社 Separator and rechargeable lithium battery including the same
WO2014148577A1 (en) 2013-03-21 2014-09-25 日本ゼオン株式会社 Slurry for lithium ion secondary battery porous film, production method therefor, separator for lithium ion secondary battery, and lithium ion secondary battery
JP6217133B2 (en) 2013-05-17 2017-10-25 日本ゼオン株式会社 Secondary battery porous membrane slurry, secondary battery separator, secondary battery electrode, and secondary battery
JP2014229406A (en) 2013-05-20 2014-12-08 日本ゼオン株式会社 Slurry composition for secondary battery porous membrane, method for producing porous membrane for secondary battery, porous membrane for secondary battery, separator for secondary battery, electrode for secondary battery, and secondary battery
KR101700409B1 (en) 2013-06-19 2017-01-26 주식회사 엘지화학 Binder resin composition, porous seperator comprising thereof, electrochemical element using thereof
US9368797B2 (en) 2013-07-08 2016-06-14 Samsung Sdi Co., Ltd. Binder composition for rechargeable lithium battery, preparing method of same, and rechargeable lithium battery including binder composition
US10141557B2 (en) 2013-07-10 2018-11-27 Zeon Corporation Adhesive for lithium ion secondary batteries, separator for lithium ion secondary batteries, and lithium ion secondary battery
CN105378989B (en) * 2013-07-18 2018-04-27 Jsr株式会社 Electric energy storage device adhesive composition, electric energy storage device slurry, electric energy storage device electrode, distance piece and electric energy storage device
KR101868240B1 (en) 2013-09-24 2018-06-15 토요잉크Sc홀딩스주식회사 Binder for nonaqueous secondary batteries, resin composition for nonaqueous secondary batteries, nonaqueous secondary battery separator, nonaqueous secondary battery electrode, and nonaqueous secondary battery
US9680143B2 (en) 2013-10-18 2017-06-13 Miltec Uv International Llc Polymer-bound ceramic particle battery separator coating
JP6311269B2 (en) 2013-10-28 2018-04-18 日本ゼオン株式会社 Adhesive for lithium ion secondary battery, separator for lithium ion secondary battery, and lithium ion secondary battery
WO2015076571A1 (en) 2013-11-21 2015-05-28 삼성에스디아이 주식회사 Separator coating agent composition, separator formed of coating agent composition, and battery using same
JP6481623B2 (en) 2014-02-14 2019-03-13 日本ゼオン株式会社 Secondary battery porous membrane composition, secondary battery porous membrane, and secondary battery
JP6273956B2 (en) 2014-03-26 2018-02-07 日本ゼオン株式会社 Binder for secondary battery porous membrane, slurry composition for secondary battery porous membrane, porous membrane for secondary battery, and secondary battery
KR102422232B1 (en) 2014-06-27 2022-07-15 니폰 제온 가부시키가이샤 Composition for nonaqueous secondary cell functional layer, functional layer for nonaqueous secondary cell, and nonaqueous secondary cell
CN105440770B (en) 2014-06-30 2021-05-04 四川茵地乐材料科技集团有限公司 Water-based composition for modifying diaphragm for lithium ion battery, modified diaphragm and battery
KR20160061165A (en) 2014-11-21 2016-05-31 삼성에스디아이 주식회사 Separator for secondary battery and secondary battery therewith
KR102439851B1 (en) 2014-11-21 2022-09-01 삼성에스디아이 주식회사 Separator for secondary battery and secondary battery including same
US10256471B2 (en) 2014-12-22 2019-04-09 Samsung Sdi Co., Ltd. Electrode winding element for non-aqueous electrolyte rechareable battery, non-aqueous electrolyte rechargeable lithium battery including same, method of preparing same
KR20160109669A (en) 2015-03-12 2016-09-21 에스케이이노베이션 주식회사 High heat resistance separator for secondary batteries and method of manufacturing the same
CN107431169B (en) 2015-03-20 2021-04-20 日本瑞翁株式会社 Composition for functional layer of non-aqueous secondary battery, functional layer, and secondary battery
US10381624B2 (en) 2015-03-30 2019-08-13 Zeon Corporation Composition for secondary battery porous membrane, porous membrane for secondary battery and secondary battery
KR102181313B1 (en) 2015-04-02 2020-11-26 주식회사 엘지화학 Separator for lithium secondary battery and a method of making the same
CN106328865B (en) 2015-06-19 2019-06-11 宁德时代新能源科技股份有限公司 Separator and lithium ion secondary battery
KR20170003020A (en) 2015-06-30 2017-01-09 주식회사 엘지화학 Electrochemical device with improved safety
WO2017018436A1 (en) 2015-07-28 2017-02-02 日本電気株式会社 Lithium-ion secondary battery
KR102038544B1 (en) 2015-07-29 2019-10-30 주식회사 엘지화학 Selective ion adsorbable separator, method for manufacturing the same and electrochemical cell comprising the same
JP6692619B2 (en) 2015-09-02 2020-05-13 旭化成株式会社 Secondary battery separator
KR20170045438A (en) 2015-10-16 2017-04-27 더블유스코프코리아 주식회사 Electrode adhesion of coated separator for secondary battery and method for manufacturing the same
JP6856988B2 (en) 2015-11-19 2021-04-14 旭化成株式会社 Separator for power storage device and laminate using it, wound body, lithium ion secondary battery or power storage device
KR102551090B1 (en) 2015-11-30 2023-07-03 니폰 제온 가부시키가이샤 Composition for non-aqueous secondary battery adhesive layer, adhesive layer for non-aqueous secondary battery, laminate and non-aqueous secondary battery
KR102005870B1 (en) 2016-01-15 2019-07-31 삼성에스디아이 주식회사 Separator for rechargeable battery and rechargeable battery including the same
KR20170095024A (en) 2016-02-12 2017-08-22 주식회사 엘지화학 A separator and electrochemical device containing the same
KR102011906B1 (en) 2016-04-28 2019-08-19 삼성에스디아이 주식회사 A separator including porous adhesive layer, and lithium secondary battery using the separator
KR102393261B1 (en) 2016-05-10 2022-04-29 니폰 제온 가부시키가이샤 Composition for non-aqueous secondary battery functional layer, functional layer for non-aqueous secondary battery, and non-aqueous secondary battery
US10525685B2 (en) 2016-05-12 2020-01-07 The Boeing Company Methods and apparatus to couple a decorative composite having a reinforcing layer to a panel
KR102005869B1 (en) 2016-06-30 2019-07-31 삼성에스디아이 주식회사 Separator for rechargeable battery and rechargeable lithium battery including the same
JP6579383B2 (en) * 2016-08-10 2019-09-25 荒川化学工業株式会社 Lithium ion secondary battery separator, method for producing lithium ion secondary battery separator, and lithium ion secondary battery
WO2018083917A1 (en) 2016-11-04 2018-05-11 日産自動車株式会社 Electrode for cell, and cell
JP6941431B2 (en) 2016-11-30 2021-09-29 旭化成株式会社 A binder composition for a power storage device, a slurry for a porous layer of a power storage device, a porous layer of a power storage device, a separator with a porous layer of the power storage device and a lithium ion secondary battery, and a method for improving the separability.
WO2018147714A1 (en) 2017-02-13 2018-08-16 주식회사 엘지화학 Separation film for lithium secondary battery having adhesive layer
PL3518318T3 (en) 2017-02-13 2024-04-15 Lg Energy Solution, Ltd. Separation film for lithium secondary battery having adhesive layer
WO2018155345A1 (en) 2017-02-24 2018-08-30 日本ゼオン株式会社 Binder composition for nonaqueous secondary batteries, slurry composition for nonaqueous secondary battery functional layers, functional layer for nonaqueous secondary batteries, and nonaqueous secondary battery
CN108574102B (en) 2017-02-28 2022-05-27 荒川化学工业株式会社 Binder aqueous solution for lithium ion battery, slurry, electrode, separator/electrode laminate, and lithium ion battery
KR102303725B1 (en) 2017-03-28 2021-09-17 아라까와 가가꾸 고교 가부시끼가이샤 Thermal crosslinking type slurry for lithium ion battery and method for producing same, electrode for lithium ion battery, separator for lithium ion battery, separator/electrode layered product for lithium ion battery and lithium ion battery
CN109037564A (en) 2018-08-23 2018-12-18 上海三瑞高分子材料股份有限公司 A kind of coating of lithium-ion battery diaphragm ceramic slurry and preparation method thereof
KR20200032542A (en) 2018-09-18 2020-03-26 삼성에스디아이 주식회사 Separator for rechargeable lithium battery and rechargeable lithium battery including the same
JP7185504B2 (en) 2018-11-20 2022-12-07 三井化学株式会社 Raw material for coating material for secondary battery separator, method for producing raw material for coating material for secondary battery separator, coating material for secondary battery separator, secondary battery separator, method for producing secondary battery separator, and secondary battery
KR102307978B1 (en) 2018-12-20 2021-09-30 삼성에스디아이 주식회사 Separator for rechargeable lithium battery and rechargeable lithium battery including the same
KR102306447B1 (en) 2018-12-26 2021-09-28 삼성에스디아이 주식회사 Separator for rechargeable lithium battery and rechargeable lithium battery including the same
KR102306446B1 (en) 2018-12-28 2021-09-28 삼성에스디아이 주식회사 Separator for rechargeable lithium battery and rechargeable lithium battery including the same
KR102342671B1 (en) 2019-01-04 2021-12-22 삼성에스디아이 주식회사 Separator for rechargeable lithium battery and rechargeable lithium battery including the same
KR102416526B1 (en) 2019-06-07 2022-07-01 삼성에스디아이 주식회사 Separator for rechargeable lithium battery and rechargeable lithium battery including the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2549564A2 (en) * 2010-03-17 2013-01-23 LG Chem, Ltd. Separator and electrochemical device having same
US20160149190A1 (en) * 2014-11-21 2016-05-26 Samsung Sdi Co., Ltd. Separator for rechargeable battery and rechargeable battery including the same
KR20170084597A (en) * 2016-01-12 2017-07-20 삼성에스디아이 주식회사 Separators comprising porous functional layer, electrochemical battery using the separator, and method for preparing the separator
EP3246969A1 (en) * 2016-05-17 2017-11-22 Samsung SDI Co., Ltd. Separator for rechargeable battery and rechargeable lithium battery including the same
EP3902027A1 (en) * 2018-12-21 2021-10-27 Samsung SDI Co., Ltd. Separator for lithium secondary battery, and lithium secondary battery comprising same

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
NICOLAS FEDELICH: "Application Handbook Thermal Analysis of Polymers Selected Applications Thermal Analysis", 1 January 2013 (2013-01-01), XP055608279, Retrieved from the Internet <URL:https://www.mt.com/dam/LabDiv/guides-glen/ta-polymer/TA_Polymers_Selected_Apps_EN.pdf> [retrieved on 20190724] *
PROF PREMAMOY GHOSH: "POLYMER SCIENCE FUNDAMENTALS OF POLYMER SCIENCE Molecular Weights of Polymers CONTENTS Introduction Concept of Average Molecular Weight Number Average Molecular Weight Membrane Osmometry Weight Average Molecular Weight Assessment of Shape of Polymer Molecules Viscosity Average Molecular Weight Gener", 21 September 2006 (2006-09-21), XP055608363, Retrieved from the Internet <URL:http://nsdl.niscair.res.in/jspui/bitstream/123456789/406/2/Molecular%20weights%20of%20polymers.pdf> [retrieved on 20190724] *
See also references of WO2020138627A1 *

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WO2020138627A1 (en) 2020-07-02
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US20220037739A1 (en) 2022-02-03
EP3905380B1 (en) 2025-03-12
US12136743B2 (en) 2024-11-05
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